let [x,y] = [10,20] [y,x] = [x,y] console.log(x,y)
its not working as expected it gave me the error…
Uncaught ReferenceError: Cannot access ‘y’ before initialization
let [x,y] = [10,20];//using semicolon here [y,x] = [x,y] console.log(x,y)
now its working please anyone can explain me why its working now..`